/Engine/Source/Developer/SkeletalMeshUtilitiesCommon/Public/LODUtilities.h
Restore the LOD imported model to the last imported data. Call this function if you want to remove the reduce on the base LOD
static bool RestoreSkeletalMeshLODImportedData_DEPRECATED ( [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SkeletalMesh, int32 LodIndex )